import axios from "axios";
import { MessageBox, Message } from "element-ui";
import store from "@/store";
import { getToken } from "@/utils/auth";

// create an axios instance
const service = axios.create({
  baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
  // withCredentials: true, // send cookies when cross-domain requests
  timeout: 5000 // request timeout
});
// request interceptor
service.interceptors.request.use(
  config => {
    // do something before request is sent

    if (store.getters.token) {
      // let each request carry token
      // ['ACCESS_TOKEN'] is a custom headers key
      // please modify it according to the actual situation
      config.headers["ACCESS_TOKEN"] = getToken();
    }
    return config;
  },
  error => {
    // do something with request error
    console.log(error); // for debug
    return Promise.reject(error);
  }
);

// response interceptor
service.interceptors.response.use(
  /**
   * If you want to get http information such as headers or status
   * Please return  response => response
   */

  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code
   */
  response => {
    const res = response.data;

    // 根据反馈码进行拦截
    // if the custom code is not 20000, it is judged as an error.
    if (res.code !== 200) {
      Message({
        message: res.msg || "Error",
        type: "error",
        duration: 5 * 1000
      });
      // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
      if (res.code === 50008 || res.code === 50012 || res.code === 50014 || res.code === 401) {
        // to re-login
        MessageBox.confirm(
          "您登录已失效，可以取消以停留在此页面，或重新登录",
          "确认注销",
          {
            confirmButtonText: "重新登录",
            cancelButtonText: "取消",
            type: "warning"
          }
        ).then(() => {
          store.dispatch("user/resetToken").then(() => {
            location.reload();
          });
        });
      }
      return Promise.reject(new Error(res.msg || "Error"));
    } else {
      return res;
    }
  },
  error => {
    console.log("err" + error); // for debug
    Message({
      message: error.message,
      type: "error",
      duration: 5 * 1000
    });
    return Promise.reject(error);
  }
);
// 发送JSON
export function sendJSON(url, params) {
  return new Promise((resolve, reject) => {
    let config = { headers: { "Content-Type": "application/json" } };
    service
      .post(url, params, config)
      .then(res => {
        resolve(res);
      })
      .catch(err => {
        reject(err);
      });
  });
}

export default service;
